Python Sympy Polyhedron.faces()用法及代码示例

Polyhedron.faces()：faces()是一个sympy Python库函数，它返回多面体的面。

用法： sympy.combinatorics.Polyhedrons.Polyhedron.faces()

返回：多面体的面孔。

代码1：faces()示例–四面体

# Python code explaining 
# SymPy.Polyhedron.faces() 
  
# importing SymPy libraries 
from sympy.combinatorics import Permutation, Cycle 
from sympy.combinatorics.polyhedron import tetrahedron, octahedron 
  
# Using from  
# sympy.combinatorics.polyhedron.Polyhedron.faces() 
  
# Creating Polyhedron 
a = tetrahedron.copy() 
  
print ("Polyhedron - faces form : ", a.faces) 
  
a.rotate(0) 
print ("\nPolyhedron - faces form : ", a.faces)

输出：

Polyhedron – faces form : {(0, 1, 2), (0, 1, 3), (0, 2, 3), (1, 2, 3)}

Polyhedron – faces form : {(0, 1, 2), (0, 1, 3), (0, 2, 3), (1, 2, 3)}

代码2：faces()示例–八面体

# Python code explaining 
# SymPy.Polyhedron.faces() 
  
# importing SymPy libraries 
from sympy.combinatorics import Permutation, Cycle 
from sympy.combinatorics.polyhedron import tetrahedron, octahedron 
  
# Using from  
# sympy.combinatorics.polyhedron.Polyhedron.faces() 
  
# Creating Polyhedron 
a = octahedron.copy() 
  
print ("Polyhedron - faces form : ", a.faces) 
  
a.rotate(0) 
print ("\nPolyhedron - faces form : ", a.faces)

输出：

Polyhedron – faces form : {(0, 1, 2), (0, 1, 4), (0, 2, 3), (0, 3, 4), (1, 2, 5), (1, 4, 5), (2, 3, 5), (3, 4, 5)}

Polyhedron – faces form : {(0, 1, 2), (0, 1, 4), (0, 2, 3), (0, 3, 4), (1, 2, 5), (1, 4, 5), (2, 3, 5), (3, 4, 5)}

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